MC279089 – Lightweight Plans in Planner (archived)

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check before: 2021-09-02


Azure Active Directory, Graph API, Microsoft 365 Groups, Microsoft Viva, OneNote, Outlook, Planner, SharePoint, Teams


Developer, World tenant, Online


Change type:

Admin impact, New feature



With the upcoming “Meetings” solution: New hybrid work innovations in Microsoft Teams Rooms, Fluid, and Microsoft Viva, meeting participants can quickly capture tasks and expect them to automatically sync into the Microsoft 365 Task Ecosystem (Planner, To do/Outlook, and Teams Task app). To enable this, meetings create a plan in Planner for the captured tasks.
To support this more ad-hoc form of task tracking, Planner now supports plans that don’t require an M365 Group, which we are calling “Lightweight plans”. Instead of using Groups, access to these plans is determined by a simple list of members stored in Planner that can contain any user with a valid AAD ID in that tenant (more details below).
The basic functionality of Lightweight plans is:
Lightweight plans can be created by meetings as described above, and through our Graph APIs. There is no current way to create them in Planner UI
Once created, Lightweight plans appear in Planner alongside existing Microsoft 365 Group plans, and can be interacted with via UI the same way
All members have equivalent permissions: Any existing member can add / remove other members, and create / edit / delete tasks and the plan itself
Plan features tied to M365 groups are disabled in these plans, incl. links to OneNote / SP Site, comments on tasks, and uploaded attachments
The Lightweight plan will be deleted when the last member is removed
There are no other changes to plan functionality for Lightweight Plans compared to existing Microsoft 365 Group plans
Additional notes:
There are no changes to Planner licensing or storage for Lightweight Plans compared to existing Microsoft 365 Group plans
“Lightweight plans” do not result in the creation of any objects in AAD
[When this will happen]
The APIs for Roster containers (which is how Lightweight plans are enabled, see below) will be enabled on Graph for all tenants starting in mid-September and expect to complete by mid-October.

Change Category:


Release Phase:



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